Be sure to harness the cats and leash them - even if you need a Vet's help prior to leaving (same day). 10 or 11 hours is not a long journey. They will be fine. You have them in the plane with you, yes? (Not cargo?) If in passenger area you will have a soft carrier and won't be able to feed...
Best Product: X-O cleaner. Cat breeder for 12 years, rescue for the ten prior. The world's BEST urine remover is $$ and available online only: it is called "X-O."
Second best - uber hot water + baking soda and white vinegar, wash area, rinse with hot water and white vinegar. Saturate with...
Congratulations on getting your kitten desexed! This is a wonderful step in being a responsible cat owner :) In so far as nutrition is concerned, felines are kittens until age 12 months. Adult cat food is not great. It is simply less nutritious than kitten food (cheaper ingredients, less...